One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to determine when you can plant amaranthus by using the USDA zone info for Chino Hills.

Planting Calendar for Amaranthus

Frost tolerance for amaranthus:	Not tolerant of frost.
When to plant:	After the last frost.

Since amaranthus are not cold tolerant it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant amaranthus in Chino Hills is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant amaranthus and expect a good harvest is probably September. You probably don't want to wait any later than that or else your amaranthus may not have a chance to really do well. Starting your amaranthus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on January 31 in Chino Hills. You should expect an average low temperature of 30°F in the coldest months of winter.

It's important to remember that USDA zone info for Chino Hills is an average and the actual date of last frost changes from year to year. Half of the time in Chino Hills there is a last frost after January 31 so make sure that you are ready to protect your amaranthus if you have a surprise late frost.

USDA Zone Info for Chino Hills

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Chino Hills

You may be interested in your other planting guides for Chino Hills.